Do not turn off your computer or disconnect from the power source while updating the BIOS as this could harm your computer. During the update, your computer will restart and you may briefly see a black screen.

Before updating, please read the installation instructions and important information noted below.

Dell Inspiron 5521 System BIOS

Restart required AUTO INSTALLED This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
Dell Inspiron 5521 System BIOS
Recommended

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Fixes & Enhancements

Adjust fan control algorithm
Read More

Version

A06

Release date

04 Mar 2013

Download Type

System BIOS

Category

BIOS

Importance

Recommended
Dell Technologies recommends applying this update during your next scheduled update cycle. The update contains changes to maintain overall system health. It ensures that the system software remains current and compatible with other system modules (firmware, BIOS, drivers, and software) and may include other new features.
Available formats

File Format: CPG BIOS Executable for Windows/DOS
File Name: 5521A06.exe
File Size: 4.45 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
This file format consists of a BIOS executable file. The Universal (Windows/MS DOS) format can be used to install from any Windows or MS DOS environment.
To ensure the integrity of your download, please verify the checksum value.
MD5:
1f5b8dbeb59e762a517fd210d0e08b61
SHA1:
89457307e8dc5fb15fd63f874c7383b2a7dc10a8
SHA-256:
ba80e969b2068be00d0f97fe5ebea5e8e467bfab193c557dd3f9b7fa58cc123c

By downloading, you accept the terms of the Dell Software License Agreement.

Additional details

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Dell Inspiron 5521/5721/3521/3721 and Vostro 2521
Download the release, launch the executable and follow the installation instructions

Reboot will be required

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting and usage guide.

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